Navigation Links
Geneticists discover genes that make fruit fly hybrids sterile

the Hmr gene in D. melanogaster and the Lhr gene in D. simulans each evolved much faster than most other genes and diverged due to natural selection, a genetic change due to a pressure that benefits the survival of a species. The researchers would like to learn what these genes normally do within their species in order to understand why they are evolving so fast.

The Dobzhansky-Muller model also proposes that these evolved genes depend on each other to cause hybrid incompatibilities.

However, when Barbash and his colleagues cloned each gene and inserted an Lhr gene from D. simulans into D. melanogaster, the two genes did not interfere with each other in the engineered D. melanogaster strain even though the Lhr and Hmr genes interfere with each other in hybrids.

"This tells us there must be other things involved in the hybrid" that impacts the incompatible pairing of these genes, said Barbash. In future work the researchers hope to determine whether the hybrids die because of additional genes like Hmr and Lhr, or because of more subtle differences between the chromosomes of these two species.


'"/>

Source:Cornell University News Service


Page: 1 2

Related biology news :

1. UAB scientists discover the origin of a mysterious physical force
2. Researchers discover way to make cells in the eye sensitive to light
3. Protein discovery could unlock the secret to better TB treatment
4. Newly-discovered class of genes determines ?and restricts ?stem cell fate
5. Newly discovered virus linked to childhood lung disorders and Kawasaki disease
6. Purdue proves concept of using nano-materials for drug discovery
7. Scientists discover the cellular roots of graying hair
8. Researchers discover molecule that causes secondary stroke
9. Scientists discover unique microbe in Californias largest lake
10. New protein discovered by Hebrew University researchers
11. UCSD discovery may help extend life of natural pesticide
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Geneticists discover genes that make fruit fly hybrids sterile

(Date:8/20/2014)... The National Institutes of Health has awarded the Oklahoma ... continue its research on anthrax and the bacteria,s effects ... Mark Coggeshall, Ph.D., and his colleagues have studied the ... NIH,s Cooperative Centers for Human Immunology. The original funding ... 17 on the heels of the terrorist attacks of ...
(Date:8/20/2014)... burning spiciness that is irresistible to some, but intolerable ... using their findings to develop a new drug candidate ... by inflammation or other problems. They reported their progress ... trials, in ACS, Journal of Medicinal Chemistry . ... scientists had pegged a compound called capsaicin as the ...
(Date:8/20/2014)... Mo. A new gene therapy developed by researchers ... been shown to protect mice from a life-threatening heart ... a new therapeutic avenue," said Yi Lai, Ph.D., the ... in the MU School of Medicine,s Department of Molecular ... but we hope this could lead to a treatment ...
Breaking Biology News(10 mins):$14.5 million grant awarded to continue anthrax studies 2Gene therapy protects mice from lethal heart condition, MU researchers find 2
... DCDecember 17, 2008The 2009 American Society for Microbiology ... be presented to Jo Handelsman, Ph.D., Professor and ... This award recognizes an educator for outstanding teaching ... has taught over 1,100 undergraduates and even more ...
... Fellowship in the American Academy of Microbiology. Fellows ... highly selective, peer-review process, based on their records ... advanced microbiology. There are now over 2,000 Fellows ... applied research, teaching, public health, industry, and government ...
... A collaboration research carried out by the teams ... Carlos Izpisa-Belmonte and ngel Raya, Centre for Regenerative Medicine ... Energetic, Environmental and Technological Research (CIEMAT), has resulted in ... patients with a genetic disease known as Fanconi anemia. ...
Cached Biology News:Seventy-three scientists elected to the American Academy of Microbiology 2Seventy-three scientists elected to the American Academy of Microbiology 3Seventy-three scientists elected to the American Academy of Microbiology 4Genetically corrected blood cells obtained from skin cells from Fanconi anemia patients 2
(Date:8/20/2014)... 2014 GraphDB™ 6.0 ... improvements to the enterprise replication cluster, faster loading ... SOLR and Elasticsearch. This release happens to coincide ... triplestore – GraphDB™ was formerly known as OWLIM. ... only mature enterprise resilient RDF triplestore will also ...
(Date:8/19/2014)... 2014 A Geisinger researcher on a personal ... Centers for Disease Control and Prevention (CDC) award recognizing ... concern. Joseph Boscarino , Ph.D. MPH, ... team of researchers nominated for the Centers for Disease ... for Data Methods and Study Design. "Hepatitis ...
(Date:8/19/2014)... 2014 XenoTech announces an exclusive ... metabolite production from bioactive small molecules. Based ... technology enables convenient and timely assessment of critical ... Vice President of Commercial Operations, Christian Darabant, “the ... risk can be measured directly by comparison with ...
(Date:8/19/2014)... Md. , Aug. 19, 2014   ... biotechnology company developing novel anti-infective biologic and drug ... and diseases, announced today that its novel ... at the 54 th Interscience Conference on ... Washington D.C. ...
Breaking Biology Technology:Ontotext Improves Its RDF Triplestore, GraphDB™ 6.0: Enterprise Resilience, Faster Loading Speeds and Connectors to Full-Text Search Engines Top the List of Enhancements 2Ontotext Improves Its RDF Triplestore, GraphDB™ 6.0: Enterprise Resilience, Faster Loading Speeds and Connectors to Full-Text Search Engines Top the List of Enhancements 3Ontotext Improves Its RDF Triplestore, GraphDB™ 6.0: Enterprise Resilience, Faster Loading Speeds and Connectors to Full-Text Search Engines Top the List of Enhancements 4Geisinger investigator nominated for federal award 2Geisinger investigator nominated for federal award 3Beyond Metabolite Identification, Testable Quantities Now Offered by XenoTech 2Beyond Metabolite Identification, Testable Quantities Now Offered by XenoTech 3Synthetic Biologics Announces Late-Breaking Poster Presentation for C. difficile Program at 54th ICAAC 2Synthetic Biologics Announces Late-Breaking Poster Presentation for C. difficile Program at 54th ICAAC 3Synthetic Biologics Announces Late-Breaking Poster Presentation for C. difficile Program at 54th ICAAC 4
... National Stem,Cell Holding, Inc. (OTC: NHGI.PK) today ... a newly discovered group of,biomaterials, derived from the ... stimulate a variety of naturally occurring physiological,mechanisms that ... and repair,itself . These newly discovered biomaterials ...
... 15 /PRNewswire-FirstCall/ - Helix BioPharma Corp.,(TSX: HBP / Frankfurt: ... as Chairman and a director of the Company to ... involvement with the Company since its,amalgamation in 1995," said ... the Company, I thank him for his positive,contributions and ...
... 15 Senex Biotechnology, Inc. presented,today new results ... International,Conference on Alzheimer,s Disease Drug Discovery in New ... the identification of the first,drug candidates that block ... involved in Alzheimer,s disease, including: amyloid,precursor protein (APP); ...
Cached Biology Technology:National Stem Cell Holding Announces Patent Application for Newly Discovered Cellular Derived Biomaterials for Anti-Aging Applications 2National Stem Cell Holding Announces Patent Application for Newly Discovered Cellular Derived Biomaterials for Anti-Aging Applications 3Helix BioPharma Chairman resigns 2Senex Biotechnology Announces Presentation of Alzheimer's Disease Drug Discovery Effort 2Senex Biotechnology Announces Presentation of Alzheimer's Disease Drug Discovery Effort 3
... Labeling Kit generates labeled cDNA for use ... is made via a reverse transcription from ... Unlike other methods, there are no unnatural ... reaction. This unmodified cDNA is then labeled ...
... An easy-to-use solution that enables fully automated ... 400 Hybridization Station has been designed to ... the throughput necessary to perform a wide ... performed in the range 485C; denaturations of ...
... user-friendly Eppendorf Thermomixer R offers maximum ... require shaking, heating, and cooling. Its ... its application and temperature control ranges. ... accommodate 24 micro test tubes, are ...
... is a high quality microarray scanner based on ... rejection and spatial resolution. The DNAscope LM ... cost microarray scanner that is upgradeable to a ... Features: Includes control module (computer), ...
Biology Products: